696646-49-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 696646-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,4 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 696646-49:
(8*6)+(7*9)+(6*6)+(5*6)+(4*4)+(3*6)+(2*4)+(1*9)=228
228 % 10 = 8
So 696646-49-8 is a valid CAS Registry Number.